1285681306

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{144167}}^1$

素因数の和:144203

約数の個数: 32

約数和(自身を含む): 2422022400

約数和(自身を除く): 1136341094

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 4459, 8918, 144167, 288334, 1009169, 1874171, 2018338, 3748342, 7064183, 13119197, 14128366, 26238394, 49449281, 91834379, 98898562, 183668758, 642840653, 1285681306]

約数ペア:

[(1, 1285681306), (2, 642840653), (7, 183668758), (13, 98898562), (14, 91834379), (26, 49449281), (49, 26238394), (91, 14128366), (98, 13119197), (182, 7064183), (343, 3748342), (637, 2018338), (686, 1874171), (1274, 1009169), (4459, 288334), (8918, 144167)]